Casing for a high voltage ground stud



FIG. 1 is a top and side perspective view of a casing for a high voltage ground stud, showing my new design, the opposite side being a mirror image of that shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof. 

The ornamental design for a casing for a high voltage ground stud, as shown and described. 